static void set_ak4396_params(struct oxygen *chip,
struct snd_pcm_hw_params *params)
{
struct generic_data *data = chip->model_data;
unsigned int i;
u8 value;
value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
if (params_rate(params) <= 54000)
value |= AK4396_DFS_NORMAL;
else if (params_rate(params) <= 108000)
value |= AK4396_DFS_DOUBLE;
else
value |= AK4396_DFS_QUAD;
data->ak4396_ctl2 = value;
msleep(1); /* wait for the new MCLK to become stable */
for (i = 0; i < 4; ++i) {
ak4396_write(chip, i,
AK4396_CONTROL_1, AK4396_DIF_24_MSB);
ak4396_write(chip, i,
AK4396_CONTROL_2, value);
ak4396_write(chip, i,
AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
}
}
static void update_ak4396_volume(struct oxygen *chip)
{
unsigned int i;
for (i = 0; i < 4; ++i) {
ak4396_write(chip, i,
AK4396_LCH_ATT, chip->dac_volume[i * 2]);
ak4396_write(chip, i,
AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
}
}
static void ak4396_registers_init(struct oxygen *chip)
{
struct generic_data *data = chip->model_data;
unsigned int i;
for (i = 0; i < 4; ++i) {
ak4396_write(chip, i,
AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
ak4396_write(chip, i,
AK4396_CONTROL_2, data->ak4396_ctl2);
ak4396_write(chip, i,
AK4396_CONTROL_3, AK4396_PCM);
}
update_ak4396_volume(chip);
}
static void ak4396_write_cached(struct oxygen *chip, unsigned int codec,
u8 reg, u8 value)
{
struct generic_data *data = chip->model_data;
if (value != data->ak4396_regs[codec][reg])
ak4396_write(chip, codec, reg, value);
}
static void ak4396_registers_init(struct oxygen *chip)
{
struct generic_data *data = chip->model_data;
unsigned int i;
for (i = 0; i < data->dacs; ++i) {
ak4396_write(chip, i, AK4396_CONTROL_1,
AK4396_DIF_24_MSB | AK4396_RSTN);
ak4396_write(chip, i, AK4396_CONTROL_2,
data->ak4396_regs[0][AK4396_CONTROL_2]);
ak4396_write(chip, i, AK4396_CONTROL_3,
AK4396_PCM);
ak4396_write(chip, i, AK4396_LCH_ATT,
chip->dac_volume[i * 2]);
ak4396_write(chip, i, AK4396_RCH_ATT,
chip->dac_volume[i * 2 + 1]);
}
}
static void ak4396_init(struct oxygen *chip)
{
struct generic_data *data = chip->model_data;
unsigned int i;
data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
for (i = 0; i < 4; ++i) {
ak4396_write(chip, i,
AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
ak4396_write(chip, i,
AK4396_CONTROL_2, data->ak4396_ctl2);
ak4396_write(chip, i,
AK4396_CONTROL_3, AK4396_PCM);
ak4396_write(chip, i, AK4396_LCH_ATT, 0);
ak4396_write(chip, i, AK4396_RCH_ATT, 0);
}
snd_component_add(chip->card, "AK4396");
}
/*
* initialize the chip
*/
void ProdigyHD2_Init(struct CardData *card)
{
static unsigned short ak4396_inits[] = {
AK4396_CTRL1, 0x87, /* I2S Normal Mode, 24 bit */
AK4396_CTRL2, 0x02,
AK4396_CTRL3, 0x00,
AK4396_LCH_ATT, 0xFF,
AK4396_RCH_ATT, 0xFF,
};
int i;
/* initialize ak4396 codec */
/* reset codec */
ak4396_write(card, AK4396_CTRL1, 0x86);
MicroDelay(100);
ak4396_write(card, AK4396_CTRL1, 0x87);
for (i = 0; i < 10; i += 2)
ak4396_write(card, ak4396_inits[i], ak4396_inits[i+1]);
}
static int prodigy_hd2_resume(struct snd_ice1712 *ice)
{
struct prodigy_hifi_spec *spec = ice->spec;
int i;
mutex_lock(&ice->gpio_mutex);
ak4396_init(ice);
for (i = 0; i < 2; i++)
ak4396_write(ice, AK4396_LCH_ATT + i, spec->vol[i] & 0xff);
mutex_unlock(&ice->gpio_mutex);
return 0;
}
static void ak4396_init(struct snd_ice1712 *ice)
{
static unsigned short ak4396_inits[] = {
AK4396_CTRL1, 0x87,
AK4396_CTRL2, 0x02,
AK4396_CTRL3, 0x00,
AK4396_LCH_ATT, 0x00,
AK4396_RCH_ATT, 0x00,
};
unsigned int i;
ak4396_write(ice, AK4396_CTRL1, 0x86);
msleep(100);
ak4396_write(ice, AK4396_CTRL1, 0x87);
for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2)
ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]);
}
static void update_ak4396_mute(struct oxygen *chip)
{
struct generic_data *data = chip->model_data;
unsigned int i;
u8 value;
value = data->ak4396_ctl2 & ~AK4396_SMUTE;
if (chip->dac_mute)
value |= AK4396_SMUTE;
data->ak4396_ctl2 = value;
for (i = 0; i < 4; ++i)
ak4396_write(chip, i, AK4396_CONTROL_2, value);
}
static int ak4396_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
struct prodigy_hifi_spec *spec = ice->spec;
int i;
int change = 0;
mutex_lock(&ice->gpio_mutex);
for (i = 0; i < 2; i++) {
if (ucontrol->value.integer.value[i] != spec->vol[i]) {
spec->vol[i] = ucontrol->value.integer.value[i];
ak4396_write(ice, AK4396_LCH_ATT + i,
spec->vol[i] & 0xff);
change = 1;
}
}
mutex_unlock(&ice->gpio_mutex);
return change;
}
static int rolloff_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct generic_data *data = chip->model_data;
unsigned int i;
int changed;
u8 reg;
mutex_lock(&chip->mutex);
reg = data->ak4396_regs[0][AK4396_CONTROL_2];
if (value->value.enumerated.item[0])
reg |= AK4396_SLOW;
else
reg &= ~AK4396_SLOW;
changed = reg != data->ak4396_regs[0][AK4396_CONTROL_2];
if (changed) {
for (i = 0; i < data->dacs; ++i)
ak4396_write(chip, i, AK4396_CONTROL_2, reg);
}
mutex_unlock(&chip->mutex);
return changed;
}
